Thank you for viewing. This is a Taito-exclusive Bluetooth device. I received it and have kept it stored away. I'm listing it to get rid of unwanted items before the end of the year. It's unopened, so I haven't checked the operation. Tom and Jerry design wireless earphones, compatible with Bluetooth 5.4 and with a communication range of up to 10m. - Brand: Tom and Jerry - Model: BH-1616 - Bluetooth Version: Ver. 5.4 - Communication Distance: Up to 10m - Battery Capacity (Earphones): 30mAh - Battery Capacity (Case): 180mAh - Frequency Response: 20Hz - 20kHz - Charging Port: USB Type-C - Weight (Case): 24g Thank you for viewing.